Ohio - Constructed - 1870–1879
| Alkemeyer Commercial Buildings |
| Alms and Doepke Dry Goods Company |
| Arendt-Seymour House |
| Artz House |
| Aurora Train Station |
| Beers, Samuel, House |
| Central Ohio Lunatic Asylum |
| Coonrad, Jonas, House |
| Coshocton County Courthouse |
| Crawford, Col., Burn Site Monument |
| Cummins School |
| Davidson, Tyler, Fountain |
| Dublin Christian Church |
| Dunbar Historic District |
| Fairport Marine Museum |
| Godman, H.C., Co. Building |
| Hayes, Rutherford B., House |
| House at 753 East Broad Street |
| Hower Mansion |
| Kauffman, Linus B., House |
| Logan County Courthouse |
| Marion Catholic School |
| Martinsville Road Covered Bridge |
| Massillon Cemetery Building |
| Mecklenburg's Garden |
| Miller, Lewis, House |
| Ohio Farm Bureau Federation Offices |
| Old St. Patrick's Church |
| Palos Covered Bridge |
| Ponn Humpback Covered Bridge |
| Rinard Covered Bridge |
| Rodrick Bridge |
| Root Covered Bridge |
| Salt Creek Covered Bridge |
| Scottown Covered Bridge |
| Southworth House |
| Stark County Courthouse and Annex |
| St. John's Catholic Church |
| St. Joseph's Church and Friary |
| St. Paul's Episcopal Church |
| St. Peter Church |
| St. Stanislaus Church |
| Superior Avenue Viaduct |
| Swartz Covered Bridge |
| Tilden, Daniel, House |
| Union Club |
| Uniopolis Town Hall |
| Valley Railway Historic District |
| Van Wert County Courthouse |
| Wyandot County Courthouse and Jail |
Data from United States Park Service and Wikidata
